author | wenzelm |
Fri, 13 Nov 2009 15:38:45 +0100 | |
changeset 33659 | 2d7ab9458518 |
parent 33658 | eb8b9c8a3662 |
child 33665 | bdcabcffaaf6 |
src/HOL/Deriv.thy | file | annotate | diff | comparison | revisions |
--- a/src/HOL/Deriv.thy Fri Nov 13 14:14:16 2009 +0100 +++ b/src/HOL/Deriv.thy Fri Nov 13 15:38:45 2009 +0100 @@ -1267,7 +1267,7 @@ and "f b - f a = (b - a) * l" by auto from prems have "~(l >= 0)" - by (metis diff_self le_eqI le_iff_diff_le_0 real_le_anti_sym real_le_linear + by (metis diff_self le_eqI le_iff_diff_le_0 real_le_antisym real_le_linear split_mult_pos_le) with prems show False by (metis DERIV_unique order_less_imp_le)